The preeminent baddie is rendered on the front of this Star Wars adult t-shirt with denoted quote, "Dear Secret Santa, Do Not Fail Me!" Makes a great Christmas office party shirt. This heather red, standard fit shirt is made of 60% cotton / 40% poly. Be sure to check out our Size Chart to get an idea of the average size and dimensions of this Darth Vader Who's Your Daddy tshirt style. Check back often for some of our Star Wars clothing and other Star Wars merchandise at great prices only at AnimationShops.com.